<template>
  <el-submenu v-if="menu.children && menu.children.length >= 1" :index="'' + menu.id">
    <template slot="title">
      <i :class="menu.icon"></i>
      <span slot="title">{{menu.name}}</span>
    </template>
    <MenuTree v-for="item in menu.children" :key="item.id" :menu="item"></MenuTree>
  </el-submenu>
  <el-menu-item v-else :index="'' + menu.id" @click="handleRoute(menu)">
    <i :class="menu.icon"></i>
    <span slot="title">{{menu.name}}</span>
  </el-menu-item>
</template>

<script>
  export default {
    name: "MenuTree",
    props: {
      menu: {
        type: Object,
        required: true
      }
    },
    methods: {
      handleRoute(menu) {
        //通过菜单URL跳转至指定路由
        this.$router.push('/' + menu.url);
      }
    }
  }
</script>

<style scoped>

</style>
